#include<iostream>
using namespace std;
#include<unordered_map>
#include<string>

int main(){
    unordered_map<string,string> dict;
    dict.insert(make_pair("sort","排序"));
    dict["car"] = "车";
    dict.insert(make_pair("left","左"));

    unordered_map<string,string>::iterator it = dict.begin();
    while(it!=dict.end()){
        cout<<it->first<<"-"<<it->second<<" ";//编译器的优化
        it++;
    }
    cout<<endl;






    return 0;
}